Marine and other type flushing toilet



J. H. CURTISS- Oct. 14, 193012 MARINE \ND OTHER TYPE FLUSHING TOILET Filed May 31, 1929 BY ATTORNEY Patented Oct. 14, 1930 UNITED STATES :rosnrn' n. GURTISS, or new nocnnnnn', NEW Yon]:

MARINE AND OTHER TYPE FftrsHme TOILET Application filed May 31,

My present invention relates to an improveinentin flushing toilets, and particularly to marine toilets which are usually required to operate below the water level of the sea.

7 One of the objects of my invention is to provide a toilet of this'type witha hydrostatically actuated dump valve so that the contents of the bowlmay be flushed away from said bowl by anaspiration of running water, thus positively withdrawing the waste matter 'system'.

' Another object of my invention is to utilize water under pressure, from any source, for

the above noted purposes, whether the water issupplied from a tank under compression or whether the water under pressure is obtained from the surrounding sea by motion of the vessel, water currents, tides and the like.

Another object of my invention is to provide simple mechanical eXpedients, for the above purposes, which may be adapted for use in close association with the toilet bowl itself or at a distance therefrom with little change in the principles involved.

Another object of my invention is to provide an automatic positive flushing in toilets of the marine class so that the initiation of the cleansing of the bowl is done by a jet action of the water, under pressure, which'jet action accomplishes asequence of steps which result in the desired operation.

Other objects and advantages of my invention will be apparent from the following T specification and acco wherein: Fig. 1 1s a sectional view of mpanying drawings looking r derstood itis thought not necessary to indicatelsuchsource, as such water may be suptherefrom and expelling it from the a toilet bowl with my apparatus attached thereto,thisview Fig. 3, looking in the directionof the 1929. Serial No. 367,275:

.plied by pumping water into a tank under air compresslon in the customary way, or it may be takeri from hydrostatic pressure developed by movement of the vessel in the sea, or by water currents around the marine vessel .while the latteris anchored or stationary.

l I have provided a characteristic toilet bowl 1, made of vitreous material, which has an annulus 2 at its top, and a circumferential 1 port 3 having et openingst therein to permit water to flow therethrough and downwardly, with a scouring action, during operation of the bowl. This port 3 may be connected to a water supply and waterpressure initiating means in any .well knownmanner. i

The bowl itself is provided with a surrounding apron 5,'in the hollow interior of which depends, at an angle, a duct 6, which :is flanged thereabout with an outstanding flange 7 which flange acts as a means whereby;

the flushing connections, hereinafter to be described, may be attached thereto. 9

The rear end of the apron 5 is provided with an open port 8 through which the mechanism about to be described may be introduced,

and the front end of the apron is provided with another open port 9 whereby the jet nozzle may be suitably mounted in desired alinement. The apron 5 is mounted upon the base flange 9 being'integrally joined thereto; as indicated. Thus, the bowl isadapted, in its present constructiomto be connected to my improved type of flushingapparatus, wwhich'will now be described.

In the preferred form, as shown. in sec-. tion', my deviceconsists of a metallic connection 10, preferably a casting, which comprises a single ported member havinga threaded nipple extension 11 at one end, whereby it may be connectedto an outgoing flush main, not shown, the nipple merging forwardly into a larger diameter, as at 12, and having cast therefrom, a flanged angular extension 13, said extensionhaving a flange 14 thereon which joins to flange-'7 of the vitreous ware with a gasket 15 therebetween to make a watertight joint. The flanges 7 and 14 may be joined together by bolts, not shown, in order to eflectively secure the two flanges together in a suitable manner.

The forward end of the ported member 10 is interiorly threaded for a part of its length, as at 16, and is arranged to receive therein a hydrostatic jet member 17, the rear end of which tapers as at 18 and is open at its end, as at 19, with a reduced high velocity opening. The forward shoulder of the cylindrical jet member 17 is threaded, as at 20, and is spaced from the cap or plug portion 21 by a pair of opposed bridge connections 22, these connec tions tying the ct nozzle 18 to the plug portion 21 and at the same time permitting water to flow through to the interior of the said jet and pass out in the direction of the arrows 23, in Fig. 1. Fig. 1 shows the cross sectional structure of the bridge members 22.

The rear or plug portion of the nozzle portion 21 is provided with a threaded shoulder 24 and a stepped annular cap 25 at the exterior of which is mounted a hexed or squared nut extension 26 whereby awrench may be applied to seat the said nozzle into operative relation into the ported member 10, as shown in Fig. 1.

Between the points of contact of the apron 5 as at 27 and the point of contact with the ported member 10 as at 28 are provided gaskets for closing this end of the ported member and the apron in a watertight manner. The flange cap 25 of the ejector member 17 also tends to hold the entire assembly, as disclosed, in operative contact at the flanges 7 and 14.

The angular extension 13 is provided with an open cylindrically internally threaded port 28', this being in turn closed by a threaded flanged dome-like cap 29, said member 28' and its appurtenant cap 29 being sufiiciently large in diameter to form a considerable chamber therein, into which chamber is pivoted, as at 30, a weight actuated valve, the

valve face of which 31 rests against a seat 32 which is provided in the interior of the angular extension 13 and which seat 32 is rendered normally watertight by a gasket 33 therein. Thus, as shown in Fig. 1, the pivoted valve member 31 is in closed position and held therein by the weight of the ball or weight member 34; aflixed to the'rear end thereof, and this maintains a constant Water level W, Fig. 1, at all periods during nonuse of the device. As the port of the duct 6 is in direct. communication with the jet chamber 35 of the port member 10 except for the closure thereby of the valve 31, it is obvious that any actuation of the jet, by permitting water to pass in the direction of the arrows 23, will cause an immediate suction the bowl downwardly in the direction of the arrow A and outwardly in the direction of the arrows 23 with a considerable driving force, thereby causing the contents of the bowl to join the ejected stream and forced outwardly therefrom in a positive and efficient manner.

The reported member 10 is provided with a water inlet pipe 37 in which water is introduced, in the direction of the arrow B, and this pipe 37 is connected to an elbow 38, Fig. 2, as a side connection thereon, and the water enters into the jet member 17 over the bridge members and into the interior of the jet member 17,.as indicated by the arrows C.

Thus, it will be noted that I have provided a device for flushing which operates by reason of Water under pressure, and the dumping action of the bowl is influenced by a hydrostatic or pressure jet, thereby causing a positive suction and pressure ejection of the contents of the bowl.

I have shown no means for initiating the flow of pressure fluid into the pipe 37, as it is obvious that any standard means may be utilized for this purpose and may be in the form of any type of starting valve, as may be desired.

It will further be noted that, according to the location of a'toilet of this kind, water under pressures of fromfifty to one hundred pounds will be sufficient to overcome the difference of location of this type of flushing bowl below the water level of a ship or other marine vessel.

Also, it will further be noted, owing to the type of valve herein adopted, which is automatically opened by operation of the jet, that in the event of the installation being below the water line of a vessel, the valve 13 effectively prevents back leakage of water from the outside, but is particularly sensitive to any jet action from the member 17 when so actuated.

Having thus described my invention, what I claim and desire to protect by Letters Patcut is:

1. In a marine and other type flushing toilet'a bowl, a rearwardly and downwardly extending inclined duct integral therewith thereunder in communication therewith, a substantially horizontally disposed ported member, positioned under said bowl in the plane of said duct, an angular extension on said ported member in line with said duct and communicating with said member for establi'shing communication between said duct and said member, a means for connecting said ducts to said extension, a high velocity jet nozzle in said member, disposed to discharge rearwardly with relations to said bowl, a

stream of water past said communication, to

induce a flow of liquid through said eXten-' sion and said duct thereby flushing out the,

contents of said bowl through said duct and said member, and a means for supplying water under pressure to said nozzle.

' 2. In a marine and other type flushing toilet a bowl, a rearwardly and downwardly extending inclined duct integral therewith thereunder, in communication therewith, a substantially horizontally disposed ported member, positioned under said bowl in the plane of said duct, an angular extension on said ported member in line with said duct and communicating with said member for establishing communication between said duct and said member, a means for connecting said duct'to said extension, a chamber at said extension, a weighted check valve, pivotally supported in said chamber, for normally closing said communication, to prevent backflow through said member into said bowl, a high velocity jet nozzle in said member, disposed to discharge rearwardly with relation to said bowl, a stream of water past said communication to induce a flow of liquid through said extension and said duct, thereby causing said valve to be opened and thereby flushing out the contents of said bowl through said duct and said member, and a means for supplying water under pressure to said nozzle.

3. In a marine and other type flushing toilet a bowl, a rearwardly extending in clined duct thereunder, in communication therewith, a substantially horizontally disposed ported member, positioned under said bowl in the plane of said duct, a means for establishing communication between said duct and said member, a plug, adjustably positioned at the forward end of said member, a high velocity jet nozzle in said member, connected to said plug, to be adjusted thereby in position in said member, openings at said connection, enclosed by said member, and a pipe, for supplying water under pressure, connected to said member at the side thereof adjacent said openings, to communicate with said nozzle, whereby the latter may discharge a stream of water past said communication,

thereby flushing out the contents of said bowl through said duct and said member.

Signed at New York, in the county of New York and State of New York, this 20th day of May, A. D. 1929.

JOSEPH H. GURTISS. 

